Cita APA (7a ed.)
Organisation for Economic Co-operation and Development. (1999). Bulgaria: 1998-1999. OECD Publishing.
Cita Chicago Style (17a ed.)
Organisation for Economic Co-operation and Development. Bulgaria: 1998-1999. Paris: OECD Publishing, 1999.
Cita MLA (9a ed.)
Organisation for Economic Co-operation and Development. Bulgaria: 1998-1999. OECD Publishing, 1999.
Precaución: Estas citas no son 100% exactas.